15.4" laptops

We are looking for the best pricing on good name brand or china name brand laptop computers with 4gb of DDR2 DRAM expandable to 8gb and 500gb harddrive with fast inter duo core fast processors. Please do not submit an offer to us if you do not accept credit card or Paypal. We only use secure form of payment. We are looking to purchase very quickly and we are looking for very low price. it does not have to be original but needs to have good warranty with repairs done in the states. Please email ASAP!!!!! We are ready to buy with the best offer. We will start with a sample order of 5 pcs to inspect quality.